A011617 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A011617

Legendre symbol (n,173).

0, 1, -1, -1, 1, -1, 1, -1, -1, 1, 1, -1, -1, 1, 1, 1, 1, -1, -1, -1, -1, 1, 1, 1, 1, 1, -1, -1, -1, 1, -1, 1, -1, 1, 1, 1, 1, 1, 1, -1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, 1, 1, -1, 1, 1, 1, 1, -1, -1, 1, -1, -1, -1, 1, -1, -1, 1, -1, -1, -1, -1, -1, 1, -1, -1, -1, 1, 1, -1, -1

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,1

REFERENCES

G. H. Hardy and E. M. Wright, An Introduction to the Theory of Numbers. 3rd ed., Oxford Univ. Press, 1954, p. 68.

LINKS

Table of n, a(n) for n=0..80.

Index entries for linear recurrences with constant coefficients, order 172.

FORMULA

Recurrence relation is a(n) = -a(n-1) - a(n-2) - ... - a(n-171) - a(n-172) for n >= 172. - Charles R Greathouse IV, Oct 01 2019

PROG

(PARI) a(n)=kronecker(n, 173) \\ Charles R Greathouse IV, Oct 01 2019